Sometimes you need to convert MariaDB to Oracle, you can use Withdata DBCopier as MariaDB to Oracle Converter (Copier / Transferor / Importer).
Works GREAT in 2025.
Support Windows, Linux, and macOS.
Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in CLI (Command Line Interface), for Scheduled Tasks and Streams, for Automation.
After converting MariaDB to Oracle in GUI, and Saving "MariaDB to Oracle" session, then you can: